Configuration Guide User guide

FastIron Configuration Guide 1179
53-1002494-02
802.1s Multiple Spanning Tree Protocol
Example of an MSTP configuration
In Figure 157 four Brocade device routers are configured in two regions. There are four VLANs in
four instances in Region 2. Region 1 is in the CIST.
FIGURE 157 Sample MSTP configuration
RTR1 on MSTP configuration
Brocade(config-vlan-4093)#tagged ethernet 10/1 to 10/2
Brocade(config-vlan-4093)#exit
Brocade(config)#mstp scope all
Brocade(config)#mstp name Reg1
Brocade(config)#mstp revision 1
Brocade(config)#mstp admin-pt2pt-mac ethernet 10/1 to 10/2
Brocade(config)#mstp start
Brocade(config)#hostname RTR1
Core 1 on MSTP configuration
Brocade(config)#trunk ethernet 2/9 to 2/12 ethernet 2/13 to 2/14
Brocade(config-vlan-1)#name DEFAULT-VLAN by port
Brocade(config-vlan-1)#exit
Brocade(config)#vlan 20 by port
Brocade(config-vlan-20)#tagged ethernet 2/9 to 2/14 ethernet 2/16
Brocade(config-vlan-20)#exit
Brocade(config)#vlan 21 by port
Brocade(config-vlan-21)#tagged ethernet 2/9 to 2/14 ethernet 2/16
Brocade(config-vlan-21)#exit
Brocade(config)#vlan 22 by port
Brocade(config-vlan-22)#tagged ethernet 2/9 to 2/14 ethernet 2/16
Brocade(config-vlan-22)#exit
Brocade(config)#vlan 23 by port
Brocade(config)#mstp scope all
Brocade(config)#mstp name HR
Brocade(config)#mstp revision 2
Brocade(config)#mstp instance 20 vlan 20
Brocade(config)#mstp instance 21 vlan 21
Brocade(config)#mstp instance 22 vlan 22
Brocade(config)#mstp instance 0 priority 8192
Brocade(config)#mstp admin-pt2pt-mac ethernet 2/9 to 2/14
BigIron
BigIron
BigIron
BigIron
Core1
Core2
LAN4
RTR1
Region 1
Region 2
Port10/1
Port10/2
Port3/10
Ports
3/1-3/2
Ports
2/13-2/14
Ports
2/9-2/12
Ports
3/17-3/20
Ports
3/5-3/6
Ports
3/5-3/6
Port
2/16